Hall's flaky buttermilk-biscuit recipe also ... Fieri's buttermilk biscuits had similar ingredients to the others, with the exception of swapping some of the all-purpose flour for cake flour ...
3 1/4 c. all-purpose flour, plus more for dusting 1/3 c. Put the cold butter and shortening in a bowl in the freezer. Preheat the oven to 450˚. Line a baking sheet with parchment paper.